#!/bin/bash
#
-# Copyright (C) - 2017 Jonathan Rajotte <jonathan.rajotte-julien@efficiso.com>>
+# Copyright (C) 2017 Jonathan Rajotte <jonathan.rajotte-julien@efficiso.com>>
#
-# This library is free software; you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation; version 2.1 of the License.
-#
-# This library is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
-# details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with this library; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+# SPDX-License-Identifier: LGPL-2.1-only
TEST_DESC="Notification"
TESTAPP_PATH="$TESTDIR/utils/testapp"
TESTAPP_NAME="gen-ust-events"
TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
-TESTAPP_STATE_FILE="$(mktemp -u)"
+TESTAPP_STATE_FILE="$(mktemp --tmpdir -u tmp.test_notification_multi_app_state_file.XXXXXX)"
NR_ITER=1000
NR_USEC_WAIT=5
CHANNEL_NAME="my_channel"
-TRACE_PATH=$(mktemp -d)
-
DIR=$(readlink -f $TESTDIR)
PAGE_SIZE=$(getconf PAGE_SIZE)
NUM_TESTS=$(($NUM_TEST_UST + $NUM_TEST_KERNEL))
source $TESTDIR/utils/utils.sh
+source $CURDIR/util_event_generator.sh
consumerd_pipe=()
-file_sync_after_first_event=$(mktemp -u)
+file_sync_after_first_event=$(mktemp --tmpdir -u tmp.test_notification_multi_app_sync_after_first.XXXXXX)
# MUST set TESTDIR before calling those functions
plan_tests $NUM_TESTS
app_pids=()
-function kernel_event_generator_toogle_state
-{
- kernel_event_generator_suspended=$((kernel_event_generator_suspended==0))
-
-}
-function kernel_event_generator
-{
- state_file=$1
- kernel_event_generator_suspended=0
- trap kernel_event_generator_toogle_state SIGUSR1
- trap "exit" SIGTERM SIGINT
- while (true); do
- if [[ $kernel_event_generator_suspended -eq "1" ]]; then
- touch $state_file
- sleep 0.5
- else
- if [[ -f $state_file ]]; then
- rm $state_file 2> /dev/null
- fi
- echo -n "1000" > /proc/lttng-test-filter-event
- fi
- done
-}
-
-function ust_event_generator_toogle_state
-{
- ust_event_generator_suspended=$((ust_event_generator_suspended==0))
-
-}
-function ust_event_generator
-{
- state_file=$1
- ust_event_generator_suspended=0
- trap ust_event_generator_toogle_state SIGUSR1
- trap "exit" SIGTERM SIGINT
- while (true); do
- if [[ $ust_event_generator_suspended -eq "1" ]]; then
- touch $state_file
- sleep 0.5
- else
- if [[ -f $state_file ]]; then
- rm $state_file 2> /dev/null
- fi
- taskset -c 0 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT > /dev/null 2>&1
- fi
- done
-}
-
function start_client {
local pid=-1
local output_file=$1
local buffer_usage_threshold_type=$6
local buffer_usage_threshold_value=$7
local nr_expected_notification=$8
+ local use_action_list=$9
- ${CURDIR}/base_client ${session_name} ${channel_name} ${domain_type} ${buffer_usage_type} ${buffer_usage_threshold_type} ${buffer_usage_threshold_value} ${nr_expected_notification} > ${output_file} &
+ ${CURDIR}/base_client ${session_name} ${channel_name} ${domain_type} ${buffer_usage_type} ${buffer_usage_threshold_type} ${buffer_usage_threshold_value} ${nr_expected_notification} ${use_action_list} > ${output_file} &
pid=$!
app_pids+=("$pid")
function wait_for_message ()
{
- local file_pattern=$1
- local message=$2
+ local directory=$1
+ local file_pattern=$2
+ local message=$3
- for file in $CURDIR/${file_pattern}*; do
+ for file in $directory/${file_pattern}*; do
while(true); do
# Check for "error" message
grep -q "error:" ${file}
function print_errors ()
{
- local file_pattern=$1
+ local directory=$1
+ local file_pattern=$2
- for file in $CURDIR/${file_pattern}*; do
+ for file in $directory/${file_pattern}*; do
# Check for "error" message
error_message=$(grep "error:" ${file})
if [[ "${error_message}x" != "x" ]]; then
local app_pids=()
local low_output_file_pattern="low_app_output_file_"
local high_output_file_pattern="high_app_output_file_"
+ local output_dir=$(mktemp --tmpdir -d "tmp.test_${FUNCNAME[0]}_output_dir.XXXXXX")
- local testpoint_base_path=$(readlink -f "$CURDIR/lttng.t_p_n_multi_app")
- local testpoint_pipe_path=$(mktemp -u "${testpoint_base_path}.XXXXXX")
+ local testpoint_base_path=$(readlink -f "$output_dir/lttng.t_p_n_multi_app")
+ local testpoint_pipe_path=$(mktemp --tmpdir="$output_dir" -u "lttng.t_p_n_multi_app.XXXXXX")
local nr_notification_expected=5
local nr_client_app=50
;;
esac
- # Cleanup
- rm ${CURDIR}/${low_output_file_pattern}* 2> /dev/null
- rm ${CURDIR}/${high_output_file_pattern}* 2> /dev/null
-
# Setup
LTTNG_SESSIOND_ENV_VARS="LTTNG_TESTPOINT_ENABLE=1 CONSUMER_PAUSE_PIPE_PATH=${testpoint_pipe_path} LD_PRELOAD=${TESTPOINT}"
start_lttng_sessiond
# Fetch consumerd testpoint pipe information
# This is needed since the testpoint create a pipe with the consumer type suffixed
- for f in "$testpoint_base_path"*; do
+ consumerd_pipe=()
+ for f in "$testpoint_pipe_path"*; do
consumerd_pipe+=("$f")
done
for (( i = 0; i < $nr_client_app; i++ )); do
- low_app_output_file=$CURDIR/${low_output_file_pattern}${i}
- high_app_output_file=$CURDIR/${high_output_file_pattern}${i}
- start_client $low_app_output_file $SESSION_NAME $CHANNEL_NAME $domain_string LOW RATIO 0.0 $nr_notification_expected
- start_client $high_app_output_file $SESSION_NAME $CHANNEL_NAME $domain_string HIGH RATIO 0.420 $nr_notification_expected
+ low_app_output_file=$output_dir/${low_output_file_pattern}${i}
+ high_app_output_file=$output_dir/${high_output_file_pattern}${i}
+ start_client $low_app_output_file $SESSION_NAME $CHANNEL_NAME $domain_string LOW RATIO 0.0 $nr_notification_expected $(( $i % 2))
+ start_client $high_app_output_file $SESSION_NAME $CHANNEL_NAME $domain_string HIGH RATIO 0.420 $nr_notification_expected $(( $i % 2))
done
- wait_for_message "${low_output_file_pattern}" "sync: ready"
- wait_for_message "${high_output_file_pattern}" "sync: ready"
+ wait_for_message $output_dir "${low_output_file_pattern}" "sync: ready"
+ wait_for_message $output_dir "${high_output_file_pattern}" "sync: ready"
# Test notification reception
for (( i = 0; i < $nr_notification_expected; i++ )); do
stop_consumerd "${pipe}"
done
- wait_for_message "${high_output_file_pattern}" "notification: high $i"
+ wait_for_message $output_dir "${high_output_file_pattern}" "notification: high $i"
# Put application in suspend mode to prevent double low
# notification and synchronize on state file.
resume_consumerd "${pipe}"
done
# Stop tracing forcing full buffer consumption
- stop_lttng_tracing $SESSION_NAME
+ stop_lttng_tracing_ok $SESSION_NAME
# Check for notifications reception
- wait_for_message "${low_output_file_pattern}" "notification: low $i"
+ wait_for_message $output_dir "${low_output_file_pattern}" "notification: low $i"
ret=$?
ok $ret "Notifications $i received"
if [[ $ret -ne "0" ]]; then
done
done
- wait_for_message "${low_output_file_pattern}" "exit: 0"
+ wait_for_message $output_dir "${low_output_file_pattern}" "exit: 0"
ret=$?
ok $ret "Application for low notification terminated normally"
- if [[ $ret -eq "0" ]]; then
- rm ${CURDIR}/${low_output_file_pattern}* 2> /dev/null
- else
- # Keep the file
- print_errors "${low_output_file_pattern}"
+ if [[ $ret -ne "0" ]]; then
+ print_errors $output_dir "${low_output_file_pattern}"
fi
- wait_for_message "${high_output_file_pattern}" "exit: 0"
+ wait_for_message $output_dir "${high_output_file_pattern}" "exit: 0"
ret=$?
ok $ret "Application for high notification terminated normally"
- if [[ $ret -eq "0" ]]; then
- rm ${CURDIR}/${high_output_file_pattern}* 2> /dev/null
- else
- # Keep the file
- print_errors "${high_output_file_pattern}"
+ if [[ $ret -ne "0" ]]; then
+ print_errors $output_dir "${high_output_file_pattern}"
fi
+
destroy_lttng_session_ok $SESSION_NAME
stop_lttng_sessiond
for pipe in "${consumerd_pipe[@]}"; do
rm -rf "${pipe}"
done
+
+ rm -rf $output_dir
}
function test_multi_app_ust ()
{
diag "Multi client app UST notification"
- ust_event_generator $TESTAPP_STATE_FILE &
+ ust_event_generator "$TESTAPP_BIN" "$TESTAPP_STATE_FILE" &
local generator_pid=$!
test_multi_app ust $generator_pid
- kill -9 $generator_pid 2> /dev/null
+ kill -s SIGUSR2 $generator_pid 2> /dev/null
wait $generator_pid 2> /dev/null
rm -rf ${TESTAPP_STATE_FILE} 2> /dev/null
}
diag "Multi client app kernel notification"
modprobe lttng-test
- kernel_event_generator $TESTAPP_STATE_FILE &
+ kernel_event_generator generate_filter_events $TESTAPP_STATE_FILE &
local generator_pid=$!
test_multi_app kernel $generator_pid
- kill -9 $generator_pid 2>/dev/null
+ kill -s SIGUSR2 $generator_pid 2> /dev/null
wait $generator_pid 2> /dev/null
rm -rf ${TESTAPP_STATE_FILE} 2> /dev/null
- rmmod lttng-test
+ modprobe --remove lttng-test
}
function test_on_register_evaluation_ust ()
diag "On register notification UST"
# Start app in infinite loop
- ust_event_generator $TESTAPP_STATE_FILE &
+ ust_event_generator "$TESTAPP_BIN" "$TESTAPP_STATE_FILE" &
local generator_pid=$!
test_on_register_evaluation ust $generator_pid
- kill -9 $generator_pid 2> /dev/null
+ kill -s SIGUSR2 $generator_pid 2> /dev/null
wait $generator_pid 2> /dev/null
rm -rf ${TESTAPP_STATE_FILE} 2> /dev/null
modprobe lttng-test
- kernel_event_generator $TESTAPP_STATE_FILE &
+ kernel_event_generator generate_filter_events $TESTAPP_STATE_FILE &
local generator_pid=$!
test_on_register_evaluation kernel $generator_pid
- kill -9 $generator_pid 2> /dev/null
+ kill -s SIGUSR2 $generator_pid 2> /dev/null
wait $generator_pid 2> /dev/null
rm -rf ${TESTAPP_STATE_FILE} 2> /dev/null
- rmmod lttng-test
+ modprobe --remove lttng-test
}
function test_on_register_evaluation ()
local app_pids=()
local high_output_file_pattern="high_app_output_file_on_register_evaluation"
- local testpoint_base_path=$(readlink -f "$CURDIR/lttng.t_p_n_register_evaluation")
- local testpoint_pipe_path=$(mktemp -u "${testpoint_base_path}.XXXXXX")
+ local output_dir=$(mktemp --tmpdir -d "tmp.test_${FUNCNAME[0]}_output_dir.XXXXXX")
+ local testpoint_base_path=$(readlink -f "$output_dir/lttng.t_p_n_register_evaluation")
+ local testpoint_pipe_path=$(mktemp --tmpdir="$output_dir" -u "lttng.t_p_n_register_evaluation.XXXXXX")
local domain_string=""
local event_name=""
- # Cleanup
- rm ${CURDIR}/${high_output_file_pattern}* 2> /dev/null
-
case $domain_type in
ust)
domain_string=LTTNG_DOMAIN_UST
# Fetch consumerd testpoint pipe information
# This is needed since the testpoint create a pipe with the consumer type suffixed
- for f in "$testpoint_base_path"*; do
+ consumerd_pipe=()
+ for f in "$testpoint_pipe_path"*; do
consumerd_pipe+=("$f")
done
high_app_output_file=${high_output_file_pattern}.first_receiver
- high_app_output_path=$CURDIR/${high_app_output_file}
- start_client $high_app_output_path $SESSION_NAME $CHANNEL_NAME $domain_string HIGH RATIO 0.420 1
+ high_app_output_path=$output_dir/${high_app_output_file}
+ start_client $high_app_output_path $SESSION_NAME $CHANNEL_NAME $domain_string HIGH RATIO 0.420 1 0
- wait_for_message "${high_app_output_file}" "sync: ready"
+ wait_for_message $output_dir "${high_app_output_file}" "sync: ready"
# Stop consumerd consumption to force high notification
start_lttng_tracing_ok $SESSION_NAME
stop_consumerd "${pipe}"
done
- wait_for_message "${high_app_output_file}" "notification: high 0"
+ wait_for_message $output_dir "${high_app_output_file}" "notification: high 0"
# Start a second receiver, the receiver should receive a high
# notification on subscription
high_app_output_file=${high_output_file_pattern}.second_receiver
- high_app_output_path=$CURDIR/${high_app_output_file}
- start_client $high_app_output_path $SESSION_NAME $CHANNEL_NAME $domain_string HIGH RATIO 0.420 1
- wait_for_message "${high_app_output_file}" "sync: ready"
- wait_for_message "${high_app_output_file}" "notification: high 0"
+ high_app_output_path=$output_dir/${high_app_output_file}
+ start_client $high_app_output_path $SESSION_NAME $CHANNEL_NAME $domain_string HIGH RATIO 0.420 1 0
+ wait_for_message $output_dir "${high_app_output_file}" "sync: ready"
+ wait_for_message $output_dir "${high_app_output_file}" "notification: high 0"
# Resume consumerd
for pipe in "${consumerd_pipe[@]}"; do
resume_consumerd "${pipe}"
done
- wait_for_message "${high_output_file_pattern}" "exit: 0"
+ wait_for_message $output_dir "${high_output_file_pattern}" "exit: 0"
ret=$?
ok $ret "Application for high notification terminated normally"
- if [[ $ret -eq "0" ]]; then
- rm ${CURDIR}/${high_output_file_pattern}* 2> /dev/null
- else
+ if [[ $ret -ne "0" ]]; then
# Keep the file
print_errors "${high_output_file_pattern}"
fi
+
destroy_lttng_session_ok $SESSION_NAME
stop_lttng_sessiond
- kill -9 $generator_pid
+ kill -s SIGUSR2 $generator_pid 2> /dev/null
wait $generator_pid 2> /dev/null
for pipe in "${consumerd_pipe[@]}"; do
rm -rf "${pipe}"
done
+ rm -rf "$output_dir"
}
)
if [ "$(id -u)" == "0" ]; then
+ validate_lttng_modules_present
TESTS+=(
test_multi_app_kernel
test_on_register_evaluation_kernel
for fct_test in ${TESTS[@]};
do
- TRACE_PATH=$(mktemp -d)
+ TRACE_PATH=$(mktemp --tmpdir -d tmp.test_notification_multi_app_trace_path.XXXXXX)
${fct_test}
if [ $? -ne 0 ]; then